# Siemens 3RT2926-1ER00 Surge Suppressor with Diode and LED Indicator for Size S0 Contactors

**URL:** https://aio.lv/en/product--siemens-3rt2926-1er00--1796300
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3RT2926-1ER00
**EAN:** 4011209779419
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt2926-1er00--1796300

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RT2926-1ER00 is a surge suppressor module equipped with a diode and an integrated LED indicator. Designed for size S0 contactors, this component effectively suppresses voltage peaks in 24V DC control circuits, protecting sensitive electronic equipment and extending the service life of switching devices. It is an essential accessory for industrial automation and control systems requiring reliable transient voltage protection.

## Long description

The Siemens 3RT2926-1ER00 surge suppressor is a specialized module designed to protect industrial control systems by mitigating voltage peaks. Engineered specifically for size S0 contactors, this component integrates a diode and an LED indicator to ensure stable operation in 24V DC control circuits. By suppressing transient voltages, it helps prevent damage to sensitive electronic equipment and contributes to the longevity of your switching hardware.
Advantages
This surge suppressor offers a robust solution for maintaining the integrity of electrical control circuits. The inclusion of a diode effectively clamps voltage spikes that occur during the de-energization of inductive loads, while the integrated LED provides immediate visual confirmation of the module's status. Its compact design allows for seamless integration with Siemens size S0 contactors, ensuring a reliable and efficient setup for demanding industrial environments.
Suitable for
Industrial automation systems
Control panels utilizing 24V DC circuits
Protection of sensitive electronic components from transient voltage
Extending the operational lifespan of switching devices
This module is not suitable for AC control circuits or applications operating outside the specified 24V DC range. It is exclusively designed for use with compatible Siemens size S0 contactors and should not be forced into incompatible hardware configurations.
Key specifications
Compatibility: Siemens size S0 contactors
Operating voltage: 24V DC
Protection type: Diode-based surge suppression
Visual indicator: Integrated LED
Installation is straightforward and involves plugging the module directly into the designated interface on the compatible contactor. Ensure the power is disconnected before attempting to attach or remove the suppressor. Once seated, the module operates automatically, requiring no further configuration or maintenance during its service life.
What to consider before purchase
Verify that your contactor is a size S0 model
Confirm that your control circuit operates at 24V DC
Ensure the installation environment meets standard industrial safety requirements
For optimal performance and safety, always verify the compatibility of the surge suppressor with your specific contactor model and ensure that the control voltage matches the module specifications exactly.

## FAQ

### How much does the Siemens 3RT2926-1ER00 Surge Suppressor for S0 Contactors cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/1796300/47512864_large.webp